DIRK WIERSMA / SCIENCE PHOTO LIBRARY DIRK WIERSMA / SCIENCE PHOTO LIBRARY
The mineral Perovskite is a calcium titanium oxide (CaTiO3). It has a characteristic crystal structure known as the perovskite structure. It occurs in deep-seated mantle rocks, known as ultramafic and foidolitic. Also found in contact carbonate skarns and volcanically altered limestones. Its crystal system is orthorhombic and crystals display a cubic outline. Actual width of sample is 70 mm.
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